Collected Papers

Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: DEPARTMENT OF THE INTERIOR UNITED STATES GEOLOGICAL SURVEY CHARLES D. WALCOTT, Director I GEOLOGY AND PALEONTOLOGY OF THE JUDITH RIVER BEDS T. W. STANTON J. B. HATOHER WITH A CHAPTER ON THE FOSSIL PLANTS F. H. KIXTOWLTON WASHINGTON GOVERNMENT PRINTING OFFICE 1905 CONTENTS. Page. Letter of transmittal . 7...
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Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: DEPARTMENT OF THE INTERIOR UNITED STATES GEOLOGICAL SURVEY CHARLES D. WALCOTT, Director I GEOLOGY AND PALEONTOLOGY OF THE JUDITH RIVER BEDS T. W. STANTON J. B. HATOHER WITH A CHAPTER ON THE FOSSIL PLANTS F. H. KIXTOWLTON WASHINGTON GOVERNMENT PRINTING OFFICE 1905 CONTENTS. Page. Letter of transmittal . 7 Introduction 9 Descriptive geology 11 The stratigraphic column 11 Benton shales 11 Eagle formation 12 Claggett formation 13 Judith River beds 13 Bearpaw shales 13 Higher horizons 14 Historical review 14 Description of Judith River beds, by areas 31 Original area 31 General features 31 Exposures on Dog Creek 34 Exposures on Birch Creek 38 Exposures on Missouri between Birch and Cow creeks 40 Exposures on Cow Creek 41 Area near Havre, Mont 45 Exposures on Milk River from Havre to the international boundary 48 Exposures on Milk River north of the international boundary 51 Sage Creek area, Assiniboia 53 Willow Creek area, in central Montana 56 Fish Creek area 59 Other probable areas 61 Resume and conclusions 62 Vertebrate fauna, by J. B. Hatcher 67 Pisces 67 Amphibia 69 Reptilia 71 Aves 99 Mammalia 100 Summary 101 Invertebrate fauna, by T. V. Stautou 104 Pelecypoda 104 Gasteropoda 113 Cephalopoda 119 Insecta 119 General comments 119 Fossil plants, by F. II. Knowlton 129 Descriptions of species 129 Discussion of the flora 150 Index 169 ILLUSTRATIONS. Page. Plate I. A, General view of the Eagle formation; B, Sandstones and overlying lignite-bearing beds of the Eagle formation at the mouth of Eagle Creek 12 II. Cliff of upper Eagle sandstone near mouth of Dog Creek 36 III. A, General view of Birch Creek Ca...